/*
 * The contents of this web application are subject to the Mozilla Public License Version 
 * 1.1 (the "License"); you may not use this web application except in compliance with 
 * the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/.
 * 
 * Software distributed under the License is distributed on an "AS IS" basis, 
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 
 * for the specific language governing rights and limitations under the License.
 * 
 * The Original Code is owned by and the Initial Developer of the Original Code is 
 * Composite A/S (Danish business reg.no. 21744409). All Rights Reserved
 * 
 * Section 11 of the License is EXPRESSLY amended to include a provision stating 
 * that any dispute, including but not limited to disputes related to the enforcement 
 * of the License, to which Composite A/S as owner of the Original Code, as Initial 
 * Developer or in any other role, becomes a part to shall be governed by Danish law 
 * and be initiated before the Copenhagen City Court ("K�benhavns Byret")            
 */

using System;
using System.Linq;
using System.Linq.Expressions;
using Composite.Core.WebClient.Services.WysiwygEditor;
using Composite.Data;
using CookComputing.XmlRpc;

namespace Composite.Community.Blog.MetaWeblog
{
    internal class MetaWeblogPost : MetaWeblogData
    {
        private readonly Expression<Func<Entries, bool>> predicate;

        public MetaWeblogPost(string username, string password, string postid)
            : base(username, password)
        {
            BlogEntryId = ParseBlogEntryId(postid);
            predicate = d => d.Id == BlogEntryId && d.Author == Author.Id;
        }

        public Guid BlogEntryId { get; private set; }

        protected static Guid ParseBlogEntryId(string postid)
        {
            Guid blogEntryId;
            if (Guid.TryParse(postid, out blogEntryId))
            {
                return blogEntryId;
            }
            throw new XmlRpcFaultException(0, "Invalid post id");
        }

        public bool EditPost(string title, string description, string publicationStatus)
        {
            using (var entry = new UpdateDataWrapper<Entries>(predicate))
            {
                entry.Data.Title = title;
                entry.Data.Content = RelativeMediaUrl(MarkupTransformationServices.TidyHtml(description).Output.Root);
                entry.Data.PublicationStatus = publicationStatus;
                return true;
            }
        }

        public Entries GetPost()
        {
            return DataFacade.GetData(predicate).Single();
        }

        public bool DeletePost()
        {
            foreach (PublicationScope scope in Enum.GetValues(typeof (PublicationScope)))
            {
                using (var connection = new DataConnection(scope))
                {
                    IQueryable<Entries> entries = connection.Get<Entries>().Where(predicate);
                    connection.Delete<Entries>(entries);
                }
            }
            return true;
        }
    }
}